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authorShahed Shaikh <shahed.shaikh@qlogic.com>2014-03-21 04:41:16 -0400
committerDavid S. Miller <davem@davemloft.net>2014-03-24 00:44:23 -0400
commit381709de1582ed868161d37a1ad54ba110c4353c (patch)
treeed11160e3bbc365f203ba7d84847eb570d4363a5 /drivers/net/ethernet/qlogic/qlcnic/qlcnic.h
parentc65d7533729a965ab8d93fa0470abc263060c54c (diff)
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qlcnic: Add VXLAN Tx offload support
This patch adds LSO, LSO6 and Tx checksum offload support for VXLAN encapsulated packets on 83xx/84xx series adapters. Signed-off-by: Shahed Shaikh <shahed.shaikh@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/qlogic/qlcnic/qlcnic.h')
-rw-r--r--drivers/net/ethernet/qlogic/qlcnic/qlcnic.h30
1 files changed, 26 insertions, 4 deletions
diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic.h b/drivers/net/ethernet/qlogic/qlcnic/qlcnic.h
index df9daa335292..5c48263207dd 100644
--- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic.h
+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic.h
@@ -169,11 +169,20 @@ struct cmd_desc_type0 {
__le64 addr_buffer2;
- __le16 reference_handle;
+ __le16 encap_descr; /* 15:10 offset of outer L3 header,
+ * 9:6 number of 32bit words in outer L3 header,
+ * 5 offload outer L4 checksum,
+ * 4 offload outer L3 checksum,
+ * 3 Inner L4 type, TCP=0, UDP=1,
+ * 2 Inner L3 type, IPv4=0, IPv6=1,
+ * 1 Outer L3 type,IPv4=0, IPv6=1,
+ * 0 type of encapsulation, GRE=0, VXLAN=1
+ */
__le16 mss;
u8 port_ctxid; /* 7:4 ctxid 3:0 port */
- u8 total_hdr_length; /* LSO only : MAC+IP+TCP Hdr size */
- __le16 conn_id; /* IPSec offoad only */
+ u8 hdr_length; /* LSO only : MAC+IP+TCP Hdr size */
+ u8 outer_hdr_length; /* Encapsulation only */
+ u8 rsvd1;
__le64 addr_buffer3;
__le64 addr_buffer1;
@@ -183,7 +192,9 @@ struct cmd_desc_type0 {
__le64 addr_buffer4;
u8 eth_addr[ETH_ALEN];
- __le16 vlan_TCI;
+ __le16 vlan_TCI; /* In case of encapsulation,
+ * this is for outer VLAN
+ */
} __attribute__ ((aligned(64)));
@@ -538,6 +549,8 @@ struct qlcnic_adapter_stats {
u64 txbytes;
u64 lrobytes;
u64 lso_frames;
+ u64 encap_lso_frames;
+ u64 encap_tx_csummed;
u64 xmit_on;
u64 xmit_off;
u64 skb_alloc_failure;
@@ -899,6 +912,9 @@ struct qlcnic_mac_vlan_list {
#define QLCNIC_FW_CAPABILITY_2_BEACON BIT_7
#define QLCNIC_FW_CAPABILITY_2_PER_PORT_ESWITCH_CFG BIT_9
+#define QLCNIC_83XX_FW_CAPAB_ENCAP_TX_OFFLOAD BIT_1
+#define QLCNIC_83XX_FW_CAPAB_ENCAP_CKO_OFFLOAD BIT_4
+
/* module types */
#define LINKEVENT_MODULE_NOT_PRESENT 1
#define LINKEVENT_MODULE_OPTICAL_UNKNOWN 2
@@ -1806,6 +1822,12 @@ struct qlcnic_hardware_ops {
extern struct qlcnic_nic_template qlcnic_vf_ops;
+static inline bool qlcnic_encap_tx_offload(struct qlcnic_adapter *adapter)
+{
+ return adapter->ahw->extra_capability[0] &
+ QLCNIC_83XX_FW_CAPAB_ENCAP_TX_OFFLOAD;
+}
+
static inline int qlcnic_start_firmware(struct qlcnic_adapter *adapter)
{
return adapter->nic_ops->start_firmware(adapter);